When you feel like you'd rather nap than hit the gym, you need something that's going to jolt your system and get you focused and energetic.

That's where caffeine can help! Caffeine is found naturally in things we eat or drink everyday: coffee, soda, tea, chocolate and more. But as a supplement, caffeine also packs a punch. Whether it's in a capsule or combined in a pre-workout formula with other products, caffeine as a supplement is often really convenient compared to drinking a source of caffeine.